Aeration apertures of a hockey helmet
USD496762S1 · kind S1 · design
21Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 2003 |
| Grant date | Sep 28, 2004 |
| Priority date | — |
| Expiry date | Sep 28, 2018 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.